Table of contents

1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

20. The Lymphatic System

Introduction to the Lymphatic System

Anatomy & Physiology

20. The Lymphatic System

Introduction to the Lymphatic System

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Multiple Choice

How do lymphatic capillaries differ from blood capillaries?

Lymphatic capillaries are thicker and more rigid than blood capillaries.

Lymphatic capillaries have closed ends, while blood capillaries form a continuous loop.

Lymphatic capillaries transport oxygen, while blood capillaries do not.

Lymphatic capillaries are impermeable to large molecules, unlike blood capillaries.

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Verified step by step guidance

Understand the basic structure and function of capillaries: Capillaries are small blood vessels where exchange of substances occurs between blood and tissues. Blood capillaries are part of the circulatory system, while lymphatic capillaries are part of the lymphatic system.

Identify the structural differences: Blood capillaries form a continuous loop, connecting arterioles and venules, allowing blood to circulate. In contrast, lymphatic capillaries have closed ends, which means they start as blind-ended tubes in the tissues.

Consider the permeability: Blood capillaries are generally permeable to small molecules and gases, facilitating exchange. Lymphatic capillaries, however, are designed to absorb larger molecules and excess fluid from tissues, which blood capillaries cannot do.

Evaluate the function related to oxygen transport: Blood capillaries are involved in the transport of oxygen and nutrients to tissues and removal of carbon dioxide and waste products. Lymphatic capillaries do not transport oxygen; instead, they collect lymph fluid from tissues.

Summarize the key differences: Lymphatic capillaries have closed ends and are more permeable to large molecules, while blood capillaries form a continuous loop and are involved in oxygen transport. These structural and functional differences are crucial for their respective roles in the body.